[llvm] [X86] Optimized ADD + ADC to ADC (PR #173543)

[Craig Topper via llvm-commits]

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@@ -57898,7 +57898,10 @@ static SDValue combineFunnelShift(SDNode *N, SelectionDAG &DAG,
 static bool needCarryOrOverflowFlag(SDValue Flags) {
   assert(Flags.getValueType() == MVT::i32 && "Unexpected VT!");
 
-  for (const SDNode *User : Flags->users()) {
+  for (const SDUse &Use : Flags->uses()) {
+    if (Use != Flags)
+      continue;
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topperc wrote:

`Flags->uses()` gets all uses of the `SDNode`. There is no `SDValue::uses()` function, so you have to use `operator->` which gets the node.

https://github.com/llvm/llvm-project/pull/173543